Home / 12,823.74-19,210.08-8,427.87

Finding the Fourth Proportional to 12,823.74, 19,210.08 and 8,427.87

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Solution

The fourth proportional to 12,823.74, 19,210.08 and 8,427.87 is: 12,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.74 : 19,210.08 = 8,427.87 : x
  2. Step 2: Convert to fraction form
    12,823.74/19,210.08 = 8,427.87/x
  3. Step 3: Cross multiply
    12,823.74x = 19,210.08 × 8,427.87
  4. Step 4: Simplify right side
    12,823.74x = 161,900,056.93
  5. Step 5: Solve for x
    x = 161,900,056.93/12,823.74
  6. Step 6: Final answer
    x = 12,625.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.